Claude 3 Opus vs Grok 4.5
As of Oct 15, 2026, Claude 3 Opus leads Grok 4.5 in 1 of 2 shared categories: General LLM.
Claude 3 Opus
#11 Best recorded rank: #11 in General LLM, as of Oct 15, 2026.
Grok 4.5
#14 Best recorded rank: #14 in Science, as of Oct 15, 2026.
| Category | Claude 3 Opus | Grok 4.5 |
|---|---|---|
| General LLM | #11 · #11 in General LLM Margin — LMArena leaderboard dataset · Sep 27, 2024 | #45 · #45 in General LLM Margin 23.93617021276596 LMArena leaderboard dataset · Oct 13, 2026 |
| Reasoning | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 7, 2024 | #44 · #44 in Reasoning Margin 23.93617021276596 LMArena leaderboard dataset · Oct 13, 2026 |
| Math | — | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 13, 2026 |
| Science | #138 · #138 in Science Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #14 · #14 in Science Margin — Epoch AI benchmarking hub · Jul 8, 2026 |
| Coding | — | #19 · #19 in Coding Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Agentic | — | #19 · #19 in Coding › Agentic Margin 95.45454545454545 Terminal-Bench Harbor Hub · Oct 6, 2026 |
| Coding › Web dev | — | #36 · #36 in Coding › Web dev Margin 28 LMArena leaderboard dataset · Oct 13, 2026 |
| Long context | — | #41 · #41 in Long context Margin 21.808510638297875 LMArena leaderboard dataset · Oct 13, 2026 |
| Vision | #— · Not enough data Margin — LMArena leaderboard dataset · Oct 9, 2026 | #29 · #29 in Vision Margin 86.84210526315789 Epoch AI benchmarking hub · Jul 8, 2026 |
| Factuality | #— · Not enough data Margin — Epoch AI benchmarking hub · Feb 29, 2024 | #30 · #30 in Factuality Margin 18.023255813953483 LMArena leaderboard dataset · Oct 13, 2026 |
| Abstraction (ARC) | — | #21 · #21 in Abstraction (ARC) Margin — Epoch AI benchmarking hub · Jul 8, 2026 |
Claude 3 Opus: price per 1M tokens is unset in the catalog.
Grok 4.5: $3 per 1M blended tokens.
Claude 3 Opus: closed weights.
Grok 4.5: closed weights.
General LLM: As of Oct 15, 2026, Claude 3 Opus leads Grok 4.5 in General LLM at #11 against #45.
Science: As of Oct 15, 2026, Grok 4.5 leads Claude 3 Opus in Science at #14 against #138.
Claude 3 Opus or Grok 4.5?
As of Oct 15, 2026, Claude 3 Opus leads Grok 4.5 in 1 of 2 shared categories: General LLM.
Claude 3 Opus or Grok 4.5 for General LLM?
As of Oct 15, 2026, Claude 3 Opus leads Grok 4.5 in General LLM at #11 against #45.
Claude 3 Opus or Grok 4.5 for Science?
As of Oct 15, 2026, Grok 4.5 leads Claude 3 Opus in Science at #14 against #138.